1645224

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{1399}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 4788000

約数和(自身を除く): 3142776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 1399, 2798, 4197, 5596, 8394, 9793, 11192, 16788, 19586, 29379, 33576, 39172, 58758, 68551, 78344, 117516, 137102, 205653, 235032, 274204, 411306, 548408, 822612, 1645224]

約数ペア:

[(1, 1645224), (2, 822612), (3, 548408), (4, 411306), (6, 274204), (7, 235032), (8, 205653), (12, 137102), (14, 117516), (21, 78344), (24, 68551), (28, 58758), (42, 39172), (49, 33576), (56, 29379), (84, 19586), (98, 16788), (147, 11192), (168, 9793), (196, 8394), (294, 5596), (392, 4197), (588, 2798), (1176, 1399)]